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devicecharacteristics
TMS470R1A128
16/32-bitriscflashmicrocontrollers
SPNS098–JANUARY2005
thetms470r1a128devicesareaderivativeofthef05systememulationdevicese470r1vb8ad.table1
identifiesallthecharacteristicsofthetms470r1a128devicesexceptthesystemandcpu,whicharegeneric.
table1.devicecharacteristics
CHARACTERISTICSDEVICEDESCRIPTIONCOMMENTS
记忆
forthenumberofmemoryselectsonthisdevice,seethe"memoryselectionassignment"表格,table3.
flashispipeline-有能力.
internal128k-byteflash
TheA128RAMisimplementedinone8Karrayselectedbytwo
memory8k-bytesram
记忆-selectsignals(seethe"memoryselectionassignment"
表格,table3).
PERIPHERALS
forthedevice-specificinterruptpriorityconfigurations,seetheinterruptprioritytable(table6).forthe1kperipheraladdressrangesand
theirperipheralselects,seethe"a128peripherals,systemmodule,andflashbaseaddresses"表格,table5).
clockzpllzero-pinpllhasnoexternalloopfilterpins.
一般-purpose11i/o
fora128,portahas8externalpins,andportbhas4externalpins.
i/os1inputonly
ECPYES
C2SIa11
1(3-管脚)sci2hasnoexternalclockpin,onlytransmit/receivepins(sci2tx
SCI
1(2-管脚)andsci2rx).
CANStandardCANcontroller
1SCC
(heccand/orscc)
SPI
2(5-管脚)
(5-管脚,4-pinor3-管脚)
thea128deviceshaveboththelogicandregistersforafull32-i/o
hetimplemented,eventhoughnotall32pinsareavailable
externally.
thehigh-决议(hr)sharefeatureallowsevenhrpinsto
sharethenexthigheroddhrpinstructures.thishrsharingis
hetwithxorshare16i/o
independentofwhetherornottheoddpinisavailableexternally.ifan
oddpinisavailableexternallyandshared,thentheoddpincanonly
beusedasageneral-purposei/o.formoreinformationonhr
share,seethe
tms470r1xhigh-endtimer(het)涉及
手册
(literaturenumberspnu199).
hetram64-instructioncapacity
10-位,16-频道
mibadcboththelogicandregistersforafull16-channelmibadcarepresent.
64-wordfifo
corevoltage1.81–2.05v
i/ovoltage3.0–3.6v
PINS100
PACKAGEPZ
5
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